Both tires are new to CTC this year. Manufactured by Uniroyal which we all know is now owned by MichelinWintertrac has a #12 icestud option where the Ice trac does not but having a softer compound and much different tread design, makes it quieter and available for more lower profile options.Both excellent pricing. Most stores having a record year for sales in snowtires because of these two new intro's.